Better rosin by double-washing in gum cleaning
By: N.C. McConnell ... [et al.]
Contributors: United States. Bureau of Agricultural and Industrial Chemistry
Series: AIC -- 311; AIC -- 311.
Publisher: U.S. Dept. of Agriculture, Bureau of Agricultural and Industrial Chemistry
Published: 1951
Place of publication: Olustee, Fla
Language: eng
Subjects: Gums and resins